public class add2_12 {
    public static void main(String[] args) {
        int daysLater = 100;
        int remainder = daysLater % 7;
        String[] weekDays = {"星期二", "星期三", "星期四", "星期五", "星期六", "星期日", "星期一"};
        String resultDay = weekDays[remainder];
        System.out.println("今天是星期二，100天后是 " + resultDay);
    }
}